fixup

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

internal/outpost/radius/eap/tls/conn.go

@@ -4,6 +4,8 @@ import (
 	"bytes"
 	"net"
 	"time"
+
+	log "github.com/sirupsen/logrus"
 )
 
 type TLSConnection struct {
@@ -19,17 +21,38 @@ func NewTLSConnection(initialData []byte) TLSConnection {
 	return c
 }
 
-func (conn TLSConnection) Read(p []byte) (int, error) { return conn.reader.Read(p) }
+func (conn TLSConnection) TLSData() []byte {
+	return conn.writer.Bytes()
+}
+
+func (conn TLSConnection) UpdateData(data []byte) {
+	conn.reader.Reset()
+	conn.reader.Write(data)
+}
+
+// ----
+
+func (conn TLSConnection) Read(p []byte) (int, error) {
+	log.Debugf("TLS(buffer): Read: %d from %d", len(p), conn.reader.Len())
+	for {
+		n, err := conn.reader.Read(p)
+		if n == 0 {
+			log.Debug("TLS(buffer): Attempted read from empty buffer, stalling...")
+			time.Sleep(1 * time.Second)
+			continue
+		}
+		return n, err
+	}
+}
+
 func (conn TLSConnection) Write(p []byte) (int, error) {
+	log.Debugf("TLS(buffer): Write: %d", len(p))
 	return conn.writer.Write(p)
 }
+
 func (conn TLSConnection) Close() error                       { return nil }
 func (conn TLSConnection) LocalAddr() net.Addr                { return nil }
 func (conn TLSConnection) RemoteAddr() net.Addr               { return nil }
 func (conn TLSConnection) SetDeadline(t time.Time) error      { return nil }
 func (conn TLSConnection) SetReadDeadline(t time.Time) error  { return nil }
 func (conn TLSConnection) SetWriteDeadline(t time.Time) error { return nil }
-
-func (conn TLSConnection) TLSData() []byte {
-	return conn.writer.Bytes()
-}